/Engine/Source/Runtime/Core/Public/Templates/Tuple.h
namespace UE { namespace Core { namespace Private { namespace Tuple { template<typename... Given, typename... Deduced> std::enable_if_t< std::conjunction_v< std::is_constructible< Given, Deduced && >... > > UE::Core::Private::Tuple::ConstructibleConceptCheck ( Deduced && ... ) } } } }